A. Zee, Quantum Field Theory in a Nutshell · Problem I.9.3
Field Theory Redux
Physics — QFT
Problem
Show off your skill in doing integrals by calculating the Casimir force in (3+1)-dimensional spacetime. For help, see M. Kardar and R. Golestanian, Rev. Mod. Phys. 71: 1233, 1999; J. Feinberg, A. Mann, and M. Revzen, Ann. Phys. 288: 103, 2001.